TSOP can stand for:

"TSOP (The Sound of Philadelphia)", a 1974 hit single by the band MFSB The State of Palestine, the sovereign Palestinian state TSOP Records, a subsidiary of Philadelphia International Records, named after the hit MFSB song The Sound of Perseverance, a 1998 album by the band Death Thin small-outline packages, a type of surface mount electronics technology This Side of Paradise, the 1920 debut novel by F. Scott Fitzgerald

TSOP.. Series (Example TSOP17), IR Receiver Modules for Remote Control Systems